CN111148414A - A high and low pressure prepaid metering box with good heat dissipation performance - Google Patents
A high and low pressure prepaid metering box with good heat dissipation performance Download PDFInfo
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- CN111148414A CN111148414A CN202010053524.2A CN202010053524A CN111148414A CN 111148414 A CN111148414 A CN 111148414A CN 202010053524 A CN202010053524 A CN 202010053524A CN 111148414 A CN111148414 A CN 111148414A
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20009—Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
- H05K7/20136—Forced ventilation, e.g. by fans
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Abstract
本发明公开了一种散热性能好的高低压预付费计量箱，包括箱体，所述箱体的顶部固定连接有冷却箱，所述冷却箱内壁的顶部固定连接有冷却器，所述冷却器的底部固定连接有固定板，所述固定板的两侧分别与冷却箱内壁的两侧固定连接，所述冷却器的两侧均连通有冷却管，所述冷却管的一端贯穿固定板并延伸至固定板的底部，所述固定板的底部固定连接有壳体。本发明通过设置的冷却器与第二电机，能够提高计量设备的使用寿命，使用效果好，并不会出现烧毁的现象，节约了成本，从而提高了工作效率，适合推广使用，其次不会造成箱体堵塞的现象，不需要人工来进行清理，省时省力，具备一定的使用前景。
The invention discloses a high and low pressure prepaid metering box with good heat dissipation performance, comprising a box body, a cooling box is fixedly connected to the top of the box body, a cooler is fixedly connected to the top of an inner wall of the cooling box, and the cooler The bottom of the cooler is fixedly connected with a fixed plate, the two sides of the fixed plate are fixedly connected to the two sides of the inner wall of the cooling box respectively, the two sides of the cooler are connected with a cooling pipe, and one end of the cooling pipe penetrates through the fixed plate and extends to the bottom of the fixing plate, and the bottom of the fixing plate is fixedly connected with the casing. The invention can improve the service life of the metering equipment by setting the cooler and the second motor. The phenomenon of box blockage does not require manual cleaning, which saves time and effort, and has certain prospects for use.
Description
Technical Field
The invention relates to the field of metering boxes, in particular to a high-low voltage prepayment metering box with good heat dissipation performance.
Background
The intelligent anti-theft electric controller terminal of the electric power metering box has the advantages of small volume, attractive appearance and convenience in field installation, and meanwhile, functional requirements on interference resistance (software filtering, software trap, watchdog, resistance-capacitance absorption, electromagnetic shielding and the like), lightning protection and the like are fully considered by the design of software and hardware. The intelligent electricity stealing prevention controller for the power metering box is mainly used for alarming and power failure after abnormal opening of an electric meter box, a power distribution cabinet, the metering box and the like, and informs managers of causing vigilance and attention, so that loss of power supply enterprises is reduced. When the door of the metering box or the distribution box is opened, the electricity larceny prevention alarm controller can judge whether the door is illegally opened, the device controls the circuit breaker to cut off the power supply of the metering box or the distribution box, sends an alarm condition to an operator on duty through an alarm short message, starts an alarm whistle and gives an alarm on site. The staff inserts the electronic key or resumes normal power supply after withdrawing the garrison through the remote controller.
The existing metering box is poor in heat dissipation effect in the using process, and when the temperature inside the metering box is too high, the existing metering box can damage equipment, so that the service life of the metering equipment is shortened, the using effect is poor, the working efficiency of the metering box is reduced, and the normal working state of the metering box is difficult to guarantee.
Disclosure of Invention
The technical problem to be solved by the invention is to overcome the existing defects and provide a device for collecting competitive information, which can effectively solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a high-low voltage prepayment metering box with good heat dissipation performance comprises a box body, wherein the top of the box body is fixedly connected with a cooling box, the top of the inner wall of the cooling box is fixedly connected with a cooler, the bottom of the cooler is fixedly connected with a fixed plate, two sides of the fixed plate are respectively fixedly connected with two sides of the inner wall of the cooling box, two sides of the cooler are communicated with cooling pipes, one end of each cooling pipe penetrates through the fixed plate and extends to the bottom of the fixed plate, the bottom of the fixed plate is fixedly connected with a shell, one end of each cooling pipe penetrates through the shell and extends into the shell, one end of each cooling pipe extending into the shell is communicated with a U-shaped pipe, metering equipment is arranged in the box body, the bottom of the inner wall of the box body is fixedly connected with a heat dissipation device, the bottom of the inner wall of the box body is fixedly, the output shaft of the first motor is fixedly connected with a rotating rod, and the surface of the rotating rod is fixedly connected with a fan.
Preferably, both sides of the cooling box are communicated with air inlet pipes, suction fans are arranged on the surfaces of the air inlet pipes, one ends of the air inlet pipes penetrate through the box body and extend into the box body, and one ends of the air inlet pipes extending into the box body are communicated with air inlet hoppers.
Preferably, the fixed surface of air inlet hopper is connected with the steady piece, one side of steady piece and one side fixed connection of box inner wall, the quantity of suction fan is two sets of, the quantity of air-supply line is two sets of, the quantity of steady piece is two sets of.
Preferably, the top of the inner wall of the box body is fixedly connected with a heat dissipation box, the bottom of the heat dissipation box is communicated with a flow dividing pipe, and the surface of the flow dividing pipe is communicated with a flow dividing hopper.
Preferably, the heat radiator is arranged in the heat radiation box, and the number of the shunting buckets is five.
Preferably, the top fixedly connected with diaphragm of riser, the both sides of diaphragm respectively with the both sides fixed connection of box inner wall.
Preferably, one side fixedly connected with connecting block of box inner wall, one side fixedly connected with cooling tube of connecting block.
Preferably, heat abstractor includes the second motor, the bottom of box inner wall and the bottom fixed connection of second motor, the output shaft fixedly connected with dwang of second motor, the fixed surface of dwang is connected with first gear, the both sides of first gear all mesh there is the second gear, the fixedly connected with round bar of axle center department of second gear, the equal fixedly connected with heat dissipation fan in surface of dwang and round bar.
Preferably, the number of second gear is two sets of, the bottom of round bar is rotated with the bottom of box inner wall and is connected, the number of round bar is two sets of.
Preferably, the surface of the box body is hinged to a box door through a hinge, the surface of the box door is fixedly connected with a buckle, and the back of the box body is provided with heat dissipation holes.
Compared with the prior art, the invention has the beneficial effects that:
1. the high-low voltage prepayment metering box with good heat dissipation performance is characterized in that a cooling box is fixedly connected to the top of a box body, a cooler is fixedly connected to the top of the inner wall of the cooling box, a fixing plate is fixedly connected to the bottom of the cooler, two sides of the fixing plate are fixedly connected with two sides of the inner wall of the cooling box respectively, cooling pipes are communicated with two sides of the cooler, the interior of the box body can be cooled conveniently, cold air in the cooling box is discharged into an air inlet hopper through an air inlet pipe through an arranged suction fan, and then the cold air is discharged into the box body through the air inlet hopper, so that metering equipment in the box body is cooled, the service life of the metering equipment is prolonged, and the use effect is good.
2. This high-low pressure prepayment batch meter that heat dispersion is good, the invention drives the dwang to rotate through starting the second motor, the dwang rotates and drives first gear revolve, first gear revolve drives second gear revolve, second gear revolve drives the round bar and rotates, thereby drive the rotation of heat dissipation fan, rethread cooling tube work, make the fan heat fan carry out further heat dissipation to the metering equipment of box inside, thereby further radiating effect has been reached, the normal operation of metering equipment has been guaranteed, the phenomenon of burning out can not appear, the cost is saved, thereby work efficiency is improved, and the prepayment batch meter is suitable for being popularized and used.
3. According to the high-low voltage prepayment metering box with good heat dissipation performance, the first motor is started to drive the rotating rod to rotate, the rotating rod rotates to drive the fan to rotate, so that dust in the box body can be conveniently cleaned, the dust can be conveniently discharged out of the box body through the opening, the phenomenon of blocking of the box body cannot be caused, manual cleaning is not needed, and time and labor are saved.
4. This high-low pressure prepayment batch meter that heat dispersion is good, the hinge articulates through the surface of box has the chamber door through the hinge, the fixed surface of chamber door is connected with the buckle, the louvre has been seted up at the back of box, be convenient for dispel the heat to the inside of box, and when the equipment of the inside of box breaks down, be convenient for open the chamber door, examine and maintain the equipment of the inside of box, it is simple convenient, be convenient for the staff to operate, thereby the time has been practiced thrift, the trouble that the equipment of the inside of box appears is gone out in the quick inspection of being convenient for, timely change and adjustment, prevent that the damage of equipment from bringing and unnecessary trouble to the resident, the.
Drawings
FIG. 1 is a schematic structural diagram of a high-low voltage prepayment metering box with good heat dissipation performance according to the present invention;
FIG. 2 is a front view of a high-low voltage prepayment metering box with good heat dissipation performance;
FIG. 3 is a rear view of a high and low voltage prepaid metering box of the present invention with good heat dissipation;
fig. 4 is a schematic structural diagram of a heat dissipation device of a high-low voltage prepaid metering box with good heat dissipation performance according to the present invention.
In the figure: 1. a box body; 2. a cooling tank; 3. a cooler; 4. a cooling tube; 5. a housing; 6. a U-shaped pipe; 7. a fixing plate; 8. an air inlet pipe; 9. a suction fan; 10. an air inlet hopper; 11. a heat dissipation box; 12. a heat sink; 13. a shunt tube; 14. a diversion hopper; 15. a metering device; 16. a transverse plate; 17. a heat sink; 171. a second motor; 172. rotating the rod; 173. a first gear; 174. a second gear; 175. a round bar; 176. a heat dissipation fan; 18. connecting blocks; 19. a radiating pipe; 20. a vertical plate; 21. a first motor; 22. a fan; 23. a rotating rod; 24. a stabilizing block; 25. a box door; 26. buckling; 27. and (4) heat dissipation holes.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: a high-low voltage prepayment metering box with good heat dissipation performance comprises a box body 1, a cooling box 2 is fixedly connected to the top of the box body 1, a cooler 3 is fixedly connected to the top of the inner wall of the cooling box 2, a fixing plate 7 is fixedly connected to the bottom of the cooler 3, two sides of the fixing plate 7 are respectively fixedly connected to two sides of the inner wall of the cooling box 2, two sides of the cooler 3 are communicated with cooling pipes 4, one end of each cooling pipe 4 penetrates through the fixing plate 7 and extends to the bottom of the fixing plate 7, a shell 5 is fixedly connected to the bottom of the fixing plate 7, one end of each cooling pipe 4 penetrates through the shell 5 and extends into the shell 5, one end of each cooling pipe 4 extending into the shell 5 is communicated with a U-shaped pipe 6, metering equipment 15 is arranged inside the box body 1, a heat dissipation device 17 is fixedly connected to the bottom of the inner wall of the box body 1, a vertical plate 20, the power cord of the first motor 21 is connected with an external power supply, the model number of the first motor 21 is Y180M1-2, the output shaft of the first motor 21 is fixedly connected with a rotating rod 23, and the surface of the rotating rod 23 is fixedly connected with a fan 22.
In this embodiment, it is preferred, the both sides of cooler bin 2 all communicate there is the air-supply line 8, the surface of air-supply line 8 is provided with suction fan 9, the one end of air-supply line 8 runs through box 1 and extends to the inside of box 1, the one end intercommunication that air-supply line 8 extended to the inside of box 1 has air-supply hopper 10, be convenient for cool down to the inside of box 1, the inside cold air of cooler bin 2 is discharged into air-supply hopper 10 through air-supply line 8 through the suction fan 9 that sets up, the inside of box 1 is discharged into with cold air to rethread air-supply hopper 10, thereby cool down to the metering device 15 of box 1 inside, the service life of metering device 15 has been improved, excellent in use effect.
In this embodiment, preferably, the surface of the air inlet hopper 10 is fixedly connected with the stabilizing block 24, one side of the stabilizing block 24 is fixedly connected with one side of the inner wall of the box body 1, the number of the suction fans 9 is two, the number of the air inlet pipes 8 is two, the number of the stabilizing blocks 24 is two, and the interior of the box body 1 can be cooled rapidly by arranging the air inlet hoppers 10 and the air inlet pipes 8.
In this embodiment, preferably, the top fixedly connected with heat dissipation case 11 of box 1 inner wall, the bottom intercommunication of heat dissipation case 11 has shunt tubes 13, and the surface intercommunication of shunt tubes 13 has shunt buckets 14, has reached better radiating effect, even weather is abominable again, the phenomenon of high temperature can not appear in the inside of box 1 yet.
In this embodiment, preferably, the heat sink 12 is disposed inside the heat dissipation box 11, and the number of the branch hoppers 14 is five, so that the heat dissipation effect of the device is faster, and the heat dissipation efficiency is further improved.
In this embodiment, preferably, the top fixedly connected with diaphragm 16 of riser 20, the both sides of diaphragm 16 respectively with the both sides fixed connection of box 1 inner wall, be convenient for support metering device 15 to separate with heat abstractor 17, prevent that first motor 21 work from discharging the inside air conditioning of heat abstractor 17 box 1, thereby the phenomenon that can not appear obscuring, excellent in use effect.
In this embodiment, it is preferred, one side fixedly connected with connecting block 18 of box 1 inner wall, one side fixedly connected with cooling tube 19 of connecting block 18, be convenient for distribute air conditioning through cooling tube 19, the power cord of cooling tube 19 is connected with external power supply, be convenient for control cooling tube 19, when the temperature is suitable, then need not open cooling tube 19, when the inside high temperature of box 1, it can to open cooling tube 19 and dispel the heat.
In this embodiment, preferably, the heat dissipation device 17 includes a second motor 171, a power line of the second motor 171 is connected to an external power supply, the model of the second motor 171 is Y180M1-2, the bottom of the inner wall of the box body 1 is fixedly connected to the bottom of the second motor 171, an output shaft of the second motor 171 is fixedly connected to a rotating rod 172, a surface of the rotating rod 172 is fixedly connected to a first gear 173, both sides of the first gear 173 are engaged with a second gear 174, an axial center of the second gear 174 is fixedly connected to a round rod 175, surfaces of the rotating rod 172 and the round rod 175 are fixedly connected to a heat dissipation fan 176, and the heat dissipation fan 176 further dissipates heat of the metering device 15 inside the box body 1 by the operation of the heat dissipation pipe 19, so as to further achieve a heat dissipation effect, ensure the normal operation of the metering device 15, avoid a burnout phenomenon, save cost, and improve working efficiency, is suitable for popularization and application.
In this embodiment, preferably, the number of the second gears 174 is two sets, the bottom end of the round bar 175 is connected with the bottom of the inner wall of the box 1 in a rotating manner, and the number of the round bar 175 is two sets, so that the first gear 173 is rotated to drive the two second gears 174 to rotate, thereby driving the two round bars 175 to rotate and driving the three heat dissipation fans 176 to rotate.
In this embodiment, it is preferred, box door 25 is articulated through the hinge on the surface of box 1, the fixed surface of box door 25 is connected with buckle 26, louvre 27 has been seted up at the back of box 1, be convenient for open box door 25, examine and maintain the inside equipment of box 1, it is simple convenient, the staff of being convenient for operates, thereby the time has been practiced thrift, be convenient for quick the trouble that the inside equipment of box 1 appears of examining, timely change and adjustment, it is troublesome to prevent that the damage of equipment from bringing and unnecessary to the resident, the function is diversified.
The working principle and the using process of the invention are as follows: the invention is characterized in that a cooling box 2 is fixedly connected with the top of a box body 1, a cooler 3 is fixedly connected with the top of the inner wall of the cooling box 2, a fixing plate 7 is fixedly connected with the bottom of the cooler 3, two sides of the fixing plate 7 are respectively fixedly connected with two sides of the inner wall of the cooling box 2, two sides of the cooler 3 are communicated with cooling pipes 4, so as to facilitate the cooling of the interior of the box body 1, cold air in the cooling box 2 is discharged into an air inlet hopper 10 through an air inlet pipe 8 by an arranged suction fan 9, and then the cold air is discharged into the box body 1 through the air inlet hopper 10, so as to cool a metering device 15 in the box body 1, thereby prolonging the service life of the metering device 15, the use effect is good, by starting a second motor 171, driving a rotating rod 172 to rotate, the rotating rod 172 rotates to drive a first gear 173 to rotate, the first gear 173 rotates to drive a second gear 174 to rotate, the, thereby driving the heat dissipation fan 176 to rotate, and then working through the heat dissipation pipe 19, so that the heat dissipation fan 176 further dissipates heat to the metering device 15 inside the box body 1, thereby further achieving the heat dissipation effect, ensuring the normal operation of the metering device 15, avoiding the burning-out phenomenon, saving cost, thereby improving the working efficiency, being suitable for popularization and use, driving the rotating rod 23 to rotate by starting the first motor 21, rotating the rotating rod 23 to drive the fan 22 to rotate, facilitating the cleaning of the dust inside the box body 1, facilitating the discharging of the dust outside the box body 1 through the opening, avoiding the blocking phenomenon of the box body 1, requiring no manual cleaning, saving time and labor, hinging the hinge on the surface of the box body 1 through the hinge to form a buckle 25, fixedly connecting the buckle 26 on the surface of the box door 25, and opening the back of the box body 1 to form a heat dissipation hole 27, facilitating the heat dissipation inside the box body 1, and when the inside equipment of box 1 broke down, be convenient for open chamber door 25, inspect and maintain the inside equipment of box 1, it is simple convenient, the staff of being convenient for operates to save time, the quick trouble of examining out the inside equipment of box 1 of being convenient for, timely change and adjustment prevent that the damage of equipment from bringing and unnecessary trouble the resident, the function is diversified, has certain use prospect.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The utility model provides a high low pressure prepayment batch meter that heat dispersion is good, includes box (1), its characterized in that: the cooling box is characterized in that the top of the box body (1) is fixedly connected with a cooling box (2), the top of the inner wall of the cooling box (2) is fixedly connected with a cooler (3), the bottom of the cooler (3) is fixedly connected with a fixing plate (7), two sides of the fixing plate (7) are respectively fixedly connected with two sides of the inner wall of the cooling box (2), two sides of the cooler (3) are communicated with cooling pipes (4), one end of each cooling pipe (4) penetrates through the fixing plate (7) and extends to the bottom of the fixing plate (7), the bottom of the fixing plate (7) is fixedly connected with a shell (5), one end of each cooling pipe (4) penetrates through the shell (5) and extends to the inside of the shell (5), one end of each cooling pipe (4) extending to the inside of the shell (5) is communicated with a U-shaped pipe (6), and metering equipment (15) is arranged inside the box body, the bottom fixedly connected with heat abstractor (17) of box (1) inner wall, the bottom fixedly connected with riser (20) of box (1) inner wall, the first motor (21) of one side fixedly connected with of riser (20), the output shaft fixedly connected with bull stick (23) of first motor (21), the fixed surface of bull stick (23) is connected with fan (22).
2. The high-low voltage prepayment metering box with good heat dissipation performance according to claim 1, characterized in that: the both sides of cooler bin (2) all communicate there are air-supply line (8), the surface of air-supply line (8) is provided with suction fan (9), the inside of box (1) is run through and extends to box (1) to the one end of air-supply line (8), the one end intercommunication that air-supply line (8) extend to box (1) inside has air inlet fill (10).
3. The high-low voltage prepayment metering box with good heat dissipation performance according to claim 2, characterized in that: the utility model discloses an air inlet structure, including air inlet hopper (10), one side of stabilizing block (24) and one side fixed connection of box (1) inner wall, the quantity of suction fan (9) is two sets of, the quantity of air-supply line (8) is two sets of, the quantity of stabilizing block (24) is two sets of.
4. The high-low voltage prepayment metering box with good heat dissipation performance according to claim 1, characterized in that: the top fixedly connected with heat dissipation case (11) of box (1) inner wall, the bottom intercommunication of heat dissipation case (11) has shunt tubes (13), the surface intercommunication of shunt tubes (13) has reposition of redundant personnel fill (14).
5. The high-low voltage prepayment metering box with good heat dissipation performance according to claim 4, characterized in that: the radiator (12) is arranged in the radiating box (11), and the number of the shunting buckets (14) is five.
6. The high-low voltage prepayment metering box with good heat dissipation performance according to claim 1, characterized in that: the top fixedly connected with diaphragm (16) of riser (20), the both sides of diaphragm (16) respectively with the both sides fixed connection of box (1) inner wall.
7. The high-low voltage prepayment metering box with good heat dissipation performance according to claim 1, characterized in that: one side fixedly connected with connecting block (18) of box (1) inner wall, one side fixedly connected with cooling tube (19) of connecting block (18).
8. The high-low voltage prepayment metering box with good heat dissipation performance according to claim 1, characterized in that: heat abstractor (17) includes second motor (171), the bottom of box (1) inner wall and the bottom fixed connection of second motor (171), the output shaft fixedly connected with dwang (172) of second motor (171), the fixed surface of dwang (172) is connected with first gear (173), the both sides of first gear (173) all mesh there are second gear (174), the axle center department fixedly connected with round bar (175) of second gear (174), the equal fixedly connected with heat dissipation fan (176) in surface of dwang (172) and round bar (175).
9. The high-low voltage prepayment metering box with good heat dissipation performance according to claim 8, characterized in that: the number of the second gears (174) is two, the bottom ends of the round rods (175) are rotatably connected with the bottom of the inner wall of the box body (1), and the number of the round rods (175) is two.
10. The high-low voltage prepayment metering box with good heat dissipation performance according to claim 1, characterized in that: the refrigerator is characterized in that the surface of the refrigerator body (1) is hinged with a refrigerator door (25) through a hinge, the surface of the refrigerator door (25) is fixedly connected with a buckle (26), and the back of the refrigerator body (1) is provided with heat dissipation holes (27).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010053524.2A CN111148414A (en) | 2020-01-17 | 2020-01-17 | A high and low pressure prepaid metering box with good heat dissipation performance |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010053524.2A CN111148414A (en) | 2020-01-17 | 2020-01-17 | A high and low pressure prepaid metering box with good heat dissipation performance |
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| CN111148414A true CN111148414A (en) | 2020-05-12 |
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| CN202010053524.2A Pending CN111148414A (en) | 2020-01-17 | 2020-01-17 | A high and low pressure prepaid metering box with good heat dissipation performance |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111579839A (en) * | 2020-05-29 | 2020-08-25 | 宁波泰丰源电气有限公司 | Electric energy meter with adapter |
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Application publication date: 20200512 |